122202220 has 48 divisors (see below), whose sum is σ = 306044928. Its totient is φ = 40075200.

The previous prime is 122202203. The next prime is 122202233. The reversal of 122202220 is 22202221.

It is a self number, because there is not a number n which added to its sum of digits gives 122202220.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15756 + ... + 22195.

It is an arithmetic number, because the mean of its divisors is an integer number (6375936).

Almost surely, 2^122202220 is an apocalyptic number.

122202220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122202220 is an abundant number, since it is smaller than the sum of its proper divisors (183842708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122202220 is a wasteful number, since it uses less digits than its factorization.

122202220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37990 (or 37988 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 122202220 is about 11054.5112962989. The cubic root of 122202220 is about 496.2414439748.

Adding to 122202220 its reverse (22202221), we get a palindrome (144404441).

Subtracting from 122202220 its reverse (22202221), we obtain a palindrome (99999999).

The spelling of 122202220 in words is "one hundred twenty-two million, two hundred two thousand, two hundred twenty".